ISRC FRZ139504531
Verified recording
FRZ139504531 is “String Quartet No. 13 in A Minor, Op. 29 No. 1, D. 804: I. Allegro ma non troppo” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0xb1df6a77a7720429676529f7c6055132cfd5823a9bcf1c3ad66588a63ba3b33e and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ139504531.
Recording identifiers
- ISRC
- FRZ139504531
- Title
- String Quartet No. 13 in A Minor, Op. 29 No. 1, D. 804: I. Allegro ma non troppo
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0xb1df6a77a7720429676529f7c6055132cfd5823a9bcf1c3ad66588a63ba3b33e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:e3d6f91c2aa370d5c3e128b27276afb99bb17544c944b819b9a895852eb6f555- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ139504531
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: String Quartet No. 13 in A Minor, Op. 29 No. 1, D. 804: I. Allegro ma non troppo · Machine-readable JSON-LD